The Final Battle theme's sets are base on the second season of Ninjago: Masters of Spinjitzu, which was called Legacy of the Green Ninja, Return of the Dark Lord as well as Rise of the Green Ninja. The second half of the season was branded as The Final Battle, with Golden Lloyd as the mascot character. The collectible items are the Elemental Blades.
LEGO Ninjago, also known as Ninjago: Masters of Spinjitzu, theme was introduced in 2011 and included sets that are based off of original storylines, a TV series and The LEGO Ninjago Movie, a movie based on the theme. The main premise of the Ninjago universe is based around six teenage Ninja, Kai, Jay, Cole, Zane, Nya, and Lloyd, who have been trained by their master Sensei Wu, fighting forces of evil to protect the land of Ninjago.